Method and apparatus for control of toner charge

Details Method and apparatus for control of toner charge Method and apparatus for control of toner charge

1992-11-04

1994-08-16

Smith, Matthew S.

Photocopying

Contact printing

Light boxes

355207, 355208, 355214, 355251, 355261, 355245, G03G 2100

Patent

active

053391403

ABSTRACT:
The level of charge on toner in a developer is sensed or otherwise determined in an image forming apparatus. In response to such determination, a charge control member is adjusted between positions in which it triboelectrically charges the toner more or less because of greater or lesser contact with the toner.

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